Nausea and dry heaving in two-month-old babies may be caused by gastroesophageal reflux, inflammation of the throat, and allergy to milk powder. 1. Gastroesophageal reflux: If the breast milk comes out too quickly, too fast, the baby will have gastroesophageal reflux, which will lead to nausea and dry heaving. It is recommended that parents control the speed of breastfeeding, do not feed the baby too much at once, and after feeding the baby can be put up to burp before putting him to bed. 2. Inflammation of the throat: When inflammation of the throat occurs, it will cause congestion of the mucous membrane of the throat, and the baby may be stimulated by the nipple or pacifier when he eats milk, which will lead to nausea and dry heaving. 3. Milk powder allergy: baby for milk powder milk protein allergy may appear dry vomiting, nausea, diarrhea. Two months baby milk nausea and dry heaving is recommended to go to the hospital, to clarify the cause of the disease, targeted treatment.